Analysis

  • max time kernel
    151s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/03/2024, 14:21

General

  • Target

    e1e038644262e3d6878ebee04f0a6889.exe

  • Size

    256KB

  • MD5

    e1e038644262e3d6878ebee04f0a6889

  • SHA1

    fd5e52845ea34fd37b04d609d5417209f3272fa1

  • SHA256

    9b1a8d531e2e236b985adac7282d693ac8c5f8136bfa6071ff32821c9c3dc342

  • SHA512

    c932e9fa7eb480332253b66d0d9a31c64a9ef00b73e0f837a50a394d41c45dfe20ce635fafa9792673a43a135ef9769747a38caca170f304eac03d0352663889

  • SSDEEP

    3072:nDt64f+TPTRK3a1o5ZlbmvvzT0s2rRsamQN6ahC1bBz7zU/WZAn53mkZ8f7QJ4r:nUJTymjT0s/76C1bxsUAnLZe73r

Malware Config

Signatures

  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 1 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e1e038644262e3d6878ebee04f0a6889.exe
    "C:\Users\Admin\AppData\Local\Temp\e1e038644262e3d6878ebee04f0a6889.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3988
    • C:\Users\Admin\AppData\Local\Temp\e1e038644262e3d6878ebee04f0a6889mgr.exe
      C:\Users\Admin\AppData\Local\Temp\e1e038644262e3d6878ebee04f0a6889mgr.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:3456
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 10176
        3⤵
        • Program crash
        PID:1528
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3456 -ip 3456
    1⤵
      PID:1676
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3792 --field-trial-handle=2356,i,13261194862334667799,7441241219475888176,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:984

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\Local\Temp\e1e038644262e3d6878ebee04f0a6889mgr.exe

              Filesize

              163KB

              MD5

              32e2446e5ea8b44ee87ed1dec23ea040

              SHA1

              1341be8ec8be902630fc92657b10016c5d83c14b

              SHA256

              1f261c1a1c5e7c051cbc0332db237c8e7335661251af2d950b05edd6d515f170

              SHA512

              95b36862faec87482a2dd6aa16a2bbcfe73dcd30796d4d98db7ae6b46ec73c4f6de9880c7e8042697ffc5fddb296bd4610e69b0fb8275566c5cd3e85d9e693f6

            • C:\Users\Admin\AppData\Local\Temp\~TME2EE.tmp

              Filesize

              1.6MB

              MD5

              4f3387277ccbd6d1f21ac5c07fe4ca68

              SHA1

              e16506f662dc92023bf82def1d621497c8ab5890

              SHA256

              767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

              SHA512

              9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

            • memory/3456-6-0x0000000002070000-0x00000000020D8000-memory.dmp

              Filesize

              416KB

            • memory/3456-7-0x0000000000400000-0x0000000000468000-memory.dmp

              Filesize

              416KB

            • memory/3456-11-0x0000000077DE2000-0x0000000077DE4000-memory.dmp

              Filesize

              8KB

            • memory/3456-12-0x0000000077DE2000-0x0000000077DE3000-memory.dmp

              Filesize

              4KB

            • memory/3456-13-0x0000000077DE2000-0x0000000077DE4000-memory.dmp

              Filesize

              8KB

            • memory/3456-15-0x0000000002070000-0x00000000020D8000-memory.dmp

              Filesize

              416KB

            • memory/3988-0-0x0000000000400000-0x0000000000444000-memory.dmp

              Filesize

              272KB

            • memory/3988-5-0x0000000000400000-0x0000000000444000-memory.dmp

              Filesize

              272KB